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wireless signal
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Tesla
Transmission of frequency energy is is frequently exhibited in Nikola Tesla's experiments he proposes that this can be used in a major of events -
Marconi
Guglielmo Marconi built a wireless system of transmitting signals at long distances -
First stages
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the first radio invented
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telegraph company
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family
he had 2 kids and a wife -
commissioner
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the beam system
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Ready ,set, begin
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he contuined
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marconi dies at age 63
